CN104588406B - A kind of heavy metal-polluted soil controlling device and heavy metal-polluted soil administering method - Google Patents
A kind of heavy metal-polluted soil controlling device and heavy metal-polluted soil administering method Download PDFInfo
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- CN104588406B CN104588406B CN201510033160.0A CN201510033160A CN104588406B CN 104588406 B CN104588406 B CN 104588406B CN 201510033160 A CN201510033160 A CN 201510033160A CN 104588406 B CN104588406 B CN 104588406B
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Abstract
The application belongs to soil remediation field, more particularly to a kind of heavy metal-polluted soil controlling device and heavy metal-polluted soil administering method.The application by be provided with the heavy metal-polluted soil controlling device of the first pond body and the second pond body planting plants absorb the heavy metal in soil.Plant heavy metal-polluted soil controlling device the first pond body formation terrestrial root, heavy metal-polluted soil controlling device the formation of the second pond body must shape adventitious root, such a root structure is conducive to that plant is rapid, sustainable grow and quickly absorbs metallic element.Test result indicates that, the heavy metal-polluted soil administering method that the present invention is provided can be while absorb two or more heavy metals in soil, and planting is after 80~100 days, and the heavy metal element amount that the plant planted in unit area absorbs from soil reaches 1~52mg/m2。
Description
Technical field
Administered the invention belongs to soil remediation field, more particularly to a kind of heavy metal-polluted soil controlling device and heavy metal-polluted soil
Method.
Background technology
With industry and the fast development of mining industry, and dirty filling and sludge abuse, agriculture chemical is unreasonable to be applied, fossil class
A series of reasons such as the imperfect combustion of fuel and agricultural film so that heavy metal pollution is in being on the rise, to ecological environment
Great threat is caused with health.In addition, heavy metal pollution will also cause soil degradation, crop failure, and can
The life security of the mankind can be influenceed by food chain.Therefore, the improvement and reparation of heavy metal contaminated soil, task is very tight
Compel.
Heavy metal-polluted soil is administered and restorative procedure has chemical harnessing technology, plant absorption technology etc..Chemical harnessing technology is
Passivator is added into soil, passes through the series reactions such as absorption, complexing, precipitation, redox and ion exchange, a reduction huge sum of money
The biological effectiveness of category and transportable property, reach reduction heavy metal content in soil purpose.Plant absorption technology is inhaled using plant
Heavy metal in receipts, decomposition, curing soil, reduces its content in soil.In heavy metal Treatment process, plant absorption skill
Art because it is low with treatment cost, the advantage such as do not limited by soil types be used widely, but existing plant absorption technology
The problem of there is single Metal uptake species and low uptake.
The content of the invention
In view of this, it is an object of the invention to provide a kind of heavy metal-polluted soil controlling device and heavy metal-polluted soil improvement side
Method, the method that provides of the present invention can be while absorb the heavy metal in a variety of soil, and the uptake of heavy metal is high.
The invention provides a kind of heavy metal-polluted soil controlling device, including reaction tank and dividing plate；
Aperture is provided with the dividing plate, and the pond body of reaction tank is vertically divided into the first pond body and the second pond body；
Water inlet is provided with first pond body；
First pond body is used to place heavy metal soil to be administered and plant；
Second pond body is used to store water.
It is preferred that, the height ratio of first pond body and the second pond body is 0.5~0.9：0.5~0.1.
The invention provides a kind of heavy metal-polluted soil administering method, comprise the following steps：
A) heavy metal soil to be administered, is added the of any one of the claim 1~2 heavy metal-polluted soil controlling device
One pond body；
B), in the first pond body planting plants；Water is added to first pond body, water flows through the first pond body and enters described
Second pond body of heavy metal-polluted soil controlling device, plant growth realizes that heavy metal-polluted soil is administered；
The plant is one in cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily
Plant or a variety of.
It is preferred that, in step a), the heavy metal soil to be administered first is mixed with additive, adds first pond
Body；
The additive is soil heavy metal passivant and/or soil conditioner.
It is preferred that, the soil heavy metal passivant is the one or more in lime, siliceous fertilizer and organic fertilizer.
It is preferred that, the soil conditioner is bacteria residue and/or perlite.
It is preferred that, the mass ratio of the heavy metal soil and soil heavy metal passivant to be administered is 100~1000：1~
10。
It is preferred that, the mass ratio of the heavy metal soil and soil conditioner to be administered is 6~10：4~1.
It is preferred that, the plant is 20~50 plants/m in the planting density of the first pond body2。
It is preferred that, the thickness of heavy metal soil to be administered is 10~50cm in first pond body.
Compared with prior art, the invention provides a kind of heavy metal-polluted soil controlling device and heavy metal-polluted soil improvement side
Method.The heavy metal-polluted soil controlling device that the present invention is provided, including reaction tank and dividing plate；Aperture is provided with the dividing plate, and will be anti-
Ying Chi pond body is vertically divided into the first pond body and the second pond body；Water inlet is provided with first pond body；First pond body
For placing heavy metal soil to be administered and plant；Second pond body is used to store water.The present invention will huge sum of money dependent territory be administered
Earth adds the first pond body of above-mentioned heavy metal-polluted soil controlling device；In the first pond body planting plants；To first pond body
Water is added, water flows through the second pond body that the first pond body enters the heavy metal-polluted soil controlling device, and plant growth realizes soil weight
Metal is administered；During the plant is cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily
It is one or more.The present invention is shut out by being planted in the heavy metal-polluted soil controlling device of the first pond body and the second pond body is provided with
One or more in cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily are absorbed in soil
Heavy metal.Cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily can be from soil
Absorb two or more heavy metal elements.Meanwhile, first pond body formation terrestrial of the above-mentioned plant in heavy metal-polluted soil controlling device
Root, heavy metal-polluted soil controlling device the formation of the second pond body must shape adventitious root, such a root structure be conducive to plant it is rapid, can
It is lasting to grow and quickly absorb metallic element.The present invention to plant during adding water, the heavy metal in the soil of part
The second pond body of heavy metal-polluted soil controlling device is flowed into water, the huge sum of money in the pond body of heavy metal-polluted soil controlling device first is reduced
Belong to concentration, so as to improve absorption of the plant to the first pond body heavy metal element.Test result indicates that, the soil that the present invention is provided
Heavy metal administering method can absorb two or more heavy metals in soil simultaneously, and planting is after 80~100 days, unit plane
The heavy metal element amount that the plant planted in product absorbs from soil reaches 1~52mg/m2。
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of heavy metal-polluted soil controlling device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The invention provides a kind of heavy metal-polluted soil controlling device, including reaction tank and dividing plate；
Aperture is provided with the dividing plate, and the pond body of reaction tank is vertically divided into the first pond body and the second pond body；
Water inlet is provided with first pond body；
First pond body is used to place heavy metal soil to be administered and plant；
Second pond body is used to store water.
Referring to Fig. 1, Fig. 1 is the structural representation of heavy metal-polluted soil controlling device provided in an embodiment of the present invention, wherein 1 is
Reaction tank, 2 be dividing plate, and 3 be the first pond body, and 4 be the second pond body.
The heavy metal-polluted soil controlling device that the present invention is provided includes reaction tank 1 and dividing plate 2.Wherein, it is provided with dividing plate 2 small
Hole, and the pond body of reaction tank is vertically divided into the first pond body 3 and the second pond body 4.Water inlet, first are provided with first pond body 3
Pond body 3 is used to place heavy metal soil to be administered and plant, and the second pond body 4 is used to store water.
In one embodiment that the present invention is provided, the small aperture on dividing plate 2 is 6~20mm；There is provided in the present invention
In another embodiment, the small aperture on dividing plate 2 is 8~12mm.In one embodiment that the present invention is provided, on dividing plate 2
Number of aperture be 3000~20000/m2；In another embodiment that the present invention is provided, the number of aperture on dividing plate 2 is 6000
~10000/m2。
In one embodiment that the present invention is provided, the height ratio of the first pond body 3 and the second pond body 4 is 0.5~0.9：0.5
~0.1；In another embodiment that the present invention is provided, the height ratio of the first pond body 3 and the second pond body 4 is 0.6~0.8：0.4
~0.2；In the other embodiment that the present invention is provided, the height ratio of the first pond body 3 and the second pond body 4 is 0.618~0.79：
0.382~0.21.
In the present invention, heavy metal soil to be administered is added to the first pond body of above-mentioned heavy metal-polluted soil controlling device first
3.Then, in the planting plants of the first pond body 3, the plant includes but is not limited to cuckoo, purplish red star flame nettle, Pilea notata, Huang Hong
One or more in flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily.Then, by being arranged on the water inlet in the first pond body 3 to
Added water in one pond body 3, water is flowed through after the first pond body 3, the second pond body 4 is entered by the aperture on dividing plate 2.Growing process
In, the root system of plant enters the second pond body 4 by the aperture on dividing plate 2, and root system of plant forms terrestrial root in the first pond body 3,
Second pond body 4 formation palpus shape adventitious root, root system of plant continues to absorb heavy metal ion from the first pond body 3 and the second pond body 4, real
Existing heavy metal in soil is administered.
In the heavy metal-polluted soil controlling device that provides of the present invention during planting plants, the top half of root system of plant is in the
One pond body, the latter half is in the second pond body.Due in different environments, causing root system of plant at the different parts of root system of plant
Form generation change, wherein the root of the first pond body according to terrestrial root development models grow, and the root of the second pond body then according to
The development models growth of palpus shape adventitious root.By this training method, root system of plant radiates explosion type not in the formation of the second pond body
Determine root root system, realize the most succinct, most rapid of nutrition transmission, it is ensured that plant is rapid to grow with sustainable, profit
In the absorption of plant heavy metal element.
The invention provides a kind of heavy metal-polluted soil administering method, comprise the following steps：
A), heavy metal soil to be administered added to the first pond of the heavy metal-polluted soil controlling device described in above-mentioned technical proposal
Body；
B), in the first pond body planting plants；Water is added to first pond body, water flows through the first pond body and enters described
Second pond body of heavy metal-polluted soil controlling device, plant growth realizes that heavy metal-polluted soil is administered；
The plant is one in cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily
Plant or a variety of.
In the administering method that the present invention is provided, heavy metal soil to be administered is added into the heavy metal-polluted soil improvement first
First pond body of device.In one embodiment that the present invention is provided, the content of the heavy metal ZINC IN SOIL element to be administered
For 500~600mg/kg；In another embodiment for providing of the present invention, the heavy metal ZINC IN SOIL element to be administered contains
Measure as 300~400mg/kg；In the other embodiment that provides of the present invention, the heavy metal ZINC IN SOIL element to be administered contains
Measure as below 250mg/kg.In one embodiment that the present invention is provided, lead element contains in the heavy metal soil to be administered
Measure as 500~600mg/kg；In another embodiment that the present invention is provided, lead element in the heavy metal soil to be administered
Content is 400~500mg/kg；In the other embodiment that the present invention is provided, lead element in the heavy metal soil to be administered
Content is below 300mg/kg.In one embodiment that the present invention is provided, the heavy metal mercury in soils element to be administered
Content is 1.5~2mg/kg；In another embodiment that the present invention is provided, the heavy metal mercury in soils element to be administered
Content is 1~1.5mg/kg；In the other embodiment that provides of the present invention, the heavy metal mercury in soils element to be administered contains
Measure as below 0.5mg/kg.In one embodiment that the present invention is provided, copper contains in the heavy metal soil to be administered
Measure as 400~500mg/kg；In another embodiment that the present invention is provided, copper in the heavy metal soil to be administered
Content is 200~300mg/kg；In the other embodiment that the present invention is provided, copper in the heavy metal soil to be administered
Content is below 100mg/kg.In one embodiment that the present invention is provided, the heavy metal soil elder generation to be administered and additive
Mixing, adds first pond body, and the additive is soil heavy metal passivant and/or soil conditioner.In the present invention
In one embodiment of offer, the soil heavy metal passivant is the one or more in lime, siliceous fertilizer and organic fertilizer；At this
Invent in another embodiment provided, the soil heavy metal passivant is lime, siliceous fertilizer and organic fertilizer, the lime, silicon
The mass ratio of fertilizer and organic fertilizer is 1~10：0.5~5：10~100；In the other embodiment that the present invention is provided, the soil
Heavy metal deactivator is lime, siliceous fertilizer and organic fertilizer, and the mass ratio of the lime, siliceous fertilizer and organic fertilizer is 3~5：1~3：30~
50.In one embodiment that the present invention is provided, living bacteria count >=30,000,000 of the organic fertilizer, the content of organic matter >=
45wt%, N-P-K content 8wt%.In one embodiment that the present invention is provided, the siliceous fertilizer is Si, Ca, Mg, K fertilizer.In this hair
In one embodiment of bright offer, Si contents >=20wt% of the Si, Ca, Mg, K fertilizer, CaO content >=25wt%, K2O content >=
5wt%, content of MgO >=10wt%.In one embodiment that the present invention is provided, the heavy metal soil and soil weight to be administered
The mass ratio of matal deactivator is 100~1000：1~10；It is described to wait to administer weight in another embodiment that the present invention is provided
The mass ratio of metal soil and soil heavy metal passivant is 300~400：5~6.In one embodiment that the present invention is provided,
The soil conditioner is bacteria residue and/or perlite.In one embodiment that the present invention is provided, the huge sum of money dependent territory to be administered
The mass ratio of earth and soil conditioner is 6~10：4~1.In one embodiment that the present invention is provided, in first pond body
The thickness of soil to be administered is highly identical with the first pond body；In another embodiment that the present invention is provided, first pond body
In heavy metal soil to be administered thickness be 10~50cm；In the other embodiment that the present invention is provided, in first pond body
The thickness of heavy metal soil to be administered is 15~35cm.
Then, in the first pond body planting plants.In one embodiment that the present invention is provided, the plant is Du
One or more in cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily.Carried in the present invention
In one embodiment of confession, the plant is 20~50 plants/m in the planting density of the first pond body2；The present invention provide it is another
In individual embodiment, the plant is 30~50 plants/m in the planting density of the first pond body2。
After planting is finished, water is added to first pond body, water is flowed through after the first pond body, passes through the aperture on dividing plate
Into the second pond body of the heavy metal-polluted soil controlling device.In the present invention, to the amount of water during the planting
It is not particularly limited, is added water in right amount according to plant growth situation.In one embodiment that the present invention is provided, described second
The water level of pond body in the second pond body with highly maintaining an equal level, and the moisture content of the soil preferably remains in more than 30%；Carried in the present invention
In another embodiment supplied, the moisture content of the soil preferably remains in 40~45%.
In the present invention, do not have to the first pond body planting plants and to the sequencing of first pond body addition water
It is particularly limited to, first in the first pond body planting plants, then can be added water again to the first pond body according to above-mentioned technical proposal；Also may be used
Added with elder generation to the first pond body after water, then in the first pond body planting plants.
After the completion of planting, plant grows in the first pond body of heavy metal-polluted soil controlling device, in growth course, plants
The root system of thing enters the second pond body of heavy metal-polluted soil controlling device by the aperture on dividing plate, and root system of plant is in the first pond body shape
Into terrestrial root, in the second pond body formation palpus shape adventitious root, root system of plant continues to absorb heavy metal from the first pond body and the second pond body
Ion, realizes that heavy metal in soil is administered.
The present invention in the heavy metal-polluted soil controlling device of the first pond body and the second pond body is provided with by planting cuckoo, purple
One or more in Red Star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily absorb the weight in soil
Metal.Cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and blackberry lily can absorb from soil
Two or more heavy metal elements.Meanwhile, above-mentioned plant forms terrestrial root in the first pond body of heavy metal-polluted soil controlling device,
The second pond body formation palpus shape adventitious root of heavy metal-polluted soil controlling device, such a root structure is conducive to plant rapid, sustainable
Grow and quickly absorb metallic element.The present invention to plant during adding water, and the heavy metal in the soil of part is with water
The second pond body of heavy metal-polluted soil controlling device is flowed into, the heavy metal reduced in the pond body of heavy metal-polluted soil controlling device first is dense
Degree, so as to walk the absorption for improving plant to the first pond body heavy metal element.Test result indicates that, the soil weight that the present invention is provided
Metal administering method can absorb two or more heavy metals in soil simultaneously, and planting is after 80~100 days, unit area
The heavy metal element amount that the plant of upper plantation absorbs from soil reaches 1~52mg/m2。
For the sake of becoming apparent from, it is described in detail below by following examples.
Embodiment 1
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.35m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 933.33kg soil and the water lead acetates of 683.48g tri-, 1230.97g white vitriols, 0.126g mercury chloride and
733.41g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 93.33kg perlites, 1.17kg lime, 0.7kg siliceous fertilizers and 11.67kg is organic
Fertilizer mixing, after being well mixed, is put into the first pond body of heavy metal-polluted soil controlling device, flattens, and obtains the soil that thickness is 0.35m
Layer, then uniformly plants 30 plants of cuckoo seedling in the first pond body, and is poured to the first pond body and spill deionized water, and deionized water is flowed through
Enter the second pond body after first pond body, after the second pond body deionization water level reaches the second pond body height, stop adding water.Afterwards,
Suitably poured according to plant growth situation to the first pond body daily and spill deionized water, the moisture content for keeping soil is 40%, holding the
Two pond body water levels and the second pond body highly maintain an equal level.
In the present embodiment, soil is derived from Hunan Province Yiyang City Nan County Hunan Xin Hong comprehensive agricultural developments Co., Ltd Dongting Lake
Lake base；Perlite is provided by Horticulture Inst., Hunan Prov.；Organic fertilizer is that the extensive Bioisystech Co., Ltd's production in Changsha is biological
Organic fertilizer, living bacteria count >=30,000,000, the content of organic matter >=45wt%, N-P-K content 8wt%；Siliceous fertilizer is that Beijing subfamily is rich
Fei Ye Co., Ltds produce Si, Ca, Mg, K fertilizer, Si >=20wt%, CaO >=25wt%, K2O >=5wt%, MgO >=10wt%；Cuckoo
Seedling is provided by Horticulture Inst., Hunan Prov..
After plantation 80 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out heavy metal
The measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper is total
It is fixed with reference to GB/T 5009.13-2003 to measure：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 1, table 1 is the plant dry weight and a huge sum of money of a kind of plant of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 1 embodiment of table, a kind of plant
Embodiment 2
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.15m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 400kg soil and the water lead acetates of 292.92g tri-, 527.56g white vitriols, 0.054g mercury chloride and
314.32g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 40kg perlites, 0.5kg lime, 0.3kg siliceous fertilizers and 5kg organic fertilizers are mixed,
After well mixed, the first pond body of heavy metal-polluted soil controlling device is put into, is flattened, the soil horizon that thickness is 0.15m is obtained, then
30 plants of purplish red star flame nettle seedling are uniformly planted in the first pond body, and is poured to the first pond body and spills deionized water, deionization current
Enter the second pond body after the first pond body, after the second pond body deionization water level reaches the second pond body height, stop adding water.It
Afterwards, suitably poured daily according to plant growth situation to the first pond body and spill deionized water, the moisture content for keeping soil is 40%, is kept
Second pond body water level and the second pond body highly maintain an equal level.
In the present embodiment, purplish red star flame nettle seedling is provided by Horticulture Inst., Hunan Prov., the source of remaining raw material with
Embodiment 1 is identical.
After plantation 90 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out heavy metal
The measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper is total
It is fixed with reference to GB/T 5009.13-2003 to measure：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 2, table 2 is the plant dry weight and a huge sum of money of 2 kinds of plants of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 2 embodiment of table, 2 kinds of plants
Embodiment 3
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.25m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 666.67kg soil and the water lead acetates of 488.2g tri-, 879.27g white vitriols, 0.09g mercury chloride and
523.87g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 66.67kg perlites, 0.83kg lime, 0.5kg siliceous fertilizers and 8.33kg is organic
Fertilizer mixing, after being well mixed, is put into the first pond body of heavy metal-polluted soil controlling device, flattens, and obtains the soil that thickness is 0.25m
Layer, then uniformly plants 30 plants of Pilea notata seedling in the first pond body, and is poured to the first pond body and spill deionized water, deionization current
Enter the second pond body after the first pond body, after the second pond body deionization water level reaches the second pond body height, stop adding water.It
Afterwards, suitably poured daily according to plant growth situation to the first pond body and spill deionized water, the moisture content for keeping soil is 40%, is kept
Second pond body water level and the second pond body highly maintain an equal level.
In the present embodiment, Pilea notata seedling is provided by Horticulture Inst., Hunan Prov., source and the embodiment 1 of remaining raw material
It is identical.
After plantation 100 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out a huge sum of money
Belong to the measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper
Total amount is determined with reference to GB/T 5009.13-2003：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 3, table 3 is the plant dry weight and a huge sum of money of 3 kinds of plants of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 3 embodiment of table, 3 kinds of plants
Embodiment 4
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.15m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 400kg soil and the water lead acetates of 292.92g tri-, 527.56g white vitriols, 0.054g mercury chloride and
314.32g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 40kg perlites, 0.5kg lime, 0.3kg siliceous fertilizers and 5kg organic fertilizers are mixed,
After well mixed, the first pond body of heavy metal-polluted soil controlling device is put into, is flattened, the soil horizon that thickness is 0.15m is obtained, then
30 plants of yellow rainbow flame nettle seedling are uniformly planted in the first pond body, and is poured to the first pond body and spills deionized water, deionized water is flowed through
Enter the second pond body after first pond body, after the second pond body deionization water level reaches the second pond body height, stop adding water.Afterwards,
Suitably poured according to plant growth situation to the first pond body daily and spill deionized water, the moisture content for keeping soil is 40%, holding the
Two pond body water levels and the second pond body highly maintain an equal level.
In the present embodiment, yellow rainbow flame nettle seedling is provided by Horticulture Inst., Hunan Prov., the source of remaining raw material and reality
Apply example 1 identical.
After plantation 80 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out heavy metal
The measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper is total
It is fixed with reference to GB/T 5009.13-2003 to measure：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 4, table 4 is the plant dry weight and a huge sum of money of 4 kinds of plants of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 4 embodiment of table, 4 kinds of plants
Embodiment 5
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.15m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 400kg soil and the water lead acetates of 292.92g tri-, 527.56g white vitriols, 0.054g mercury chloride and
314.32g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 40kg perlites, 0.5kg lime, 0.3kg siliceous fertilizers and 5kg organic fertilizers are mixed,
After well mixed, the first pond body of heavy metal-polluted soil controlling device is put into, is flattened, the soil horizon that thickness is 0.15m is obtained, then
30 plants of red-spotted stonecrop seedling are uniformly planted in the first pond body, and is poured to the first pond body and spills deionized water, deionized water flows through the first pond
Enter the second pond body after body, after the second pond body deionization water level reaches the second pond body height, stop adding water.Afterwards, per Tiangeng
Suitably poured according to plant growth situation to the first pond body and spill deionized water, the moisture content for keeping soil is 40%, keeps the second pond body
Water level and the second pond body highly maintain an equal level.
In the present embodiment, red-spotted stonecrop seedling is provided by Horticulture Inst., Hunan Prov., source and the phase of embodiment 1 of remaining raw material
Together.
After plantation 90 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out heavy metal
The measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper is total
It is fixed with reference to GB/T 5009.13-2003 to measure：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 5, table 5 is the plant dry weight and a huge sum of money of 5 kinds of plants of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 5 embodiment of table, 5 kinds of plants
Embodiment 6
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.15m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 400kg soil and the water lead acetates of 292.92g tri-, 527.56g white vitriols, 0.054g mercury chloride and
314.32g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 40kg perlites, 0.5kg lime, 0.3kg siliceous fertilizers and 5kg organic fertilizers are mixed,
After well mixed, the first pond body of heavy metal-polluted soil controlling device is put into, is flattened, the soil horizon that thickness is 0.15m is obtained, then
The perverse plum seedling of 30 plants of tigers is uniformly planted in the first pond body, and is poured to the first pond body and spills deionized water, deionized water flows through first
Enter the second pond body after pond body, after the second pond body deionization water level reaches the second pond body height, stop adding water.Afterwards, daily
Suitably poured according to plant growth situation to the first pond body and spill deionized water, the moisture content for keeping soil is 40%, keeps the second pond
Body water level and the second pond body highly maintain an equal level.
In the present embodiment, brave perverse plum seedling is provided by Horticulture Inst., Hunan Prov., source and the embodiment 1 of remaining raw material
It is identical.
After plantation 100 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out a huge sum of money
Belong to the measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper
Total amount is determined with reference to GB/T 5009.13-2003：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 6, table 6 is the plant dry weight and a huge sum of money of 6 kinds of plants of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 6 embodiment of table, 6 kinds of plants
Embodiment 7
Using the heavy metal-polluted soil controlling device cultivated plant described in Fig. 1, Fig. 1 is soil weight provided in an embodiment of the present invention
The structural representation of metal controlling device.The size suitable for reading of the heavy metal-polluted soil controlling device is 1m × 1m, and bottom size is
0.6m × 0.6m, the first pond body is highly 0.15m, and the second pond body is highly 0.0927m, and the number of aperture of dividing plate is 6000-10000
Individual/m2, aperture is 8-12mm.
By 400kg soil and the water lead acetates of 292.92g tri-, 527.56g white vitriols, 0.054g mercury chloride and
314.32g cupric sulfate pentahydrates are well mixed, and are obtained lead element content 400mg/kg, Zn-ef ficiency content 300mg/kg, mercury element and are contained
Measure 1.0mg/kg, copper coin cellulose content 200mg/kg heavy metal soil.
The heavy metal soil prepared and 40kg perlites, 0.5kg lime, 0.3kg siliceous fertilizers and 5kg organic fertilizers are mixed,
After well mixed, the first pond body of heavy metal-polluted soil controlling device is put into, is flattened, the soil horizon that thickness is 0.15m is obtained, then
30 plants of blackberry lily seedling are uniformly planted in the first pond body, and is poured to the first pond body and spills deionized water, deionized water flows through the first pond
Enter the second pond body after body, after the second pond body deionization water level reaches the second pond body height, stop adding water.Afterwards, per Tiangeng
Suitably poured according to plant growth situation to the first pond body and spill deionized water, the moisture content for keeping soil is 40%, keeps the second pond body
Water level and the second pond body highly maintain an equal level.
In the present embodiment, blackberry lily seedling is provided by Horticulture Inst., Hunan Prov., source and the phase of embodiment 1 of remaining raw material
Together.
After plantation 100 days, the aerial part of the plant sample of plantation is collected, dries, crush, weigh, then carry out a huge sum of money
Belong to the measure of content.Wherein, mercury total amount is determined with reference to GB/T 5009.17-2003：Cold atomic absorption spectrometry is detected；Copper
Total amount is determined with reference to GB/T 5009.13-2003：Sampling Graphite Furnace Atomic AAS is detected；Zinc total amount is determined with reference to GB/T
5009.14-2003：Sampling Graphite Furnace Atomic AAS is detected；Lead total amount is determined with reference to GB/T 5009.12-2010：Stone
Black stove atom AAS is detected.As shown in table 7, table 7 is the plant dry weight and a huge sum of money of 7 kinds of plants of embodiment to testing result
Belong to content detection data.
The plant dry weight and content of beary metal detection data of 7 embodiment of table, 7 kinds of plants
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of heavy metal-polluted soil administering method, comprises the following steps：
A) heavy metal-polluted soil controlling device, is provided, the heavy metal-polluted soil controlling device is made up of reaction tank and dividing plate；It is described every
Aperture is provided with plate, and the pond body of reaction tank is vertically divided into the first pond body and the second pond body；The small aperture be 6~
20mm；Water inlet is provided with first pond body；First pond body is used to place heavy metal soil to be administered and plant；Institute
Stating the second pond body is used to store water；The height ratio of first pond body and the second pond body is 0.618：0.382；It will wait to administer a huge sum of money
Dependent territory earth adds the first pond body of the heavy metal-polluted soil controlling device；
B), in the first pond body planting plants；Water is added to first pond body, water flows through the first pond body into the soil
Second pond body of heavy metal controlling device, plant growth realizes that heavy metal-polluted soil is administered；
The plant be cuckoo, purplish red star flame nettle, Pilea notata, yellow rainbow flame nettle, red-spotted stonecrop, euphorbia milii and one kind in blackberry lily or
It is a variety of.
2. administering method according to claim 1, it is characterised in that in step a), the heavy metal soil to be administered is first
Mixed with additive, add first pond body；
The additive is soil heavy metal passivant and/or soil conditioner.
3. administering method according to claim 2, it is characterised in that the soil heavy metal passivant is lime, siliceous fertilizer
With the one or more in organic fertilizer.
4. administering method according to claim 2, it is characterised in that the soil conditioner is bacteria residue and/or perlite.
5. administering method according to claim 2, it is characterised in that the heavy metal soil and heavy metal-polluted soil to be administered
The mass ratio of passivator is 100~1000：1~10.
6. administering method according to claim 2, it is characterised in that the heavy metal soil and soil conditioner to be administered
Mass ratio be 6~10：4~1.
7. administering method according to claim 1, it is characterised in that the plant is 20 in the planting density of the first pond body
~50 plants/m2。
8. administering method according to claim 1, it is characterised in that heavy metal soil to be administered in first pond body
Thickness is 10~50cm.
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| CN1785538A (en) * | 2005-10-28 | 2006-06-14 | 中山大学 | Method of treating arsenic pollution of solid or water |
| CN201210831Y (en) * | 2008-07-11 | 2009-03-25 | 中国科学院沈阳应用生态研究所 | Simple water culture system suitable for paralleled culture |
| CN101803541B (en) * | 2009-02-13 | 2011-09-14 | 中国科学院沈阳应用生态研究所 | Test device for researching accumulation and migration of heavy metal in plants and use thereof |
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